WO2021049171A1 - 管継手部材 - Google Patents

管継手部材 Download PDF

Info

Publication number
WO2021049171A1
WO2021049171A1 PCT/JP2020/027871 JP2020027871W WO2021049171A1 WO 2021049171 A1 WO2021049171 A1 WO 2021049171A1 JP 2020027871 W JP2020027871 W JP 2020027871W WO 2021049171 A1 WO2021049171 A1 WO 2021049171A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe joint
joint body
joint
end portion
pipe
Prior art date
Application number
PCT/JP2020/027871
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
徹 鴻田
Original Assignee
日東工器株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日東工器株式会社 filed Critical 日東工器株式会社
Priority to EP20862178.9A priority Critical patent/EP4030091A4/en
Priority to JP2021545146A priority patent/JP7270048B2/ja
Priority to CN202080062333.0A priority patent/CN114341540B/zh
Priority to KR1020227010512A priority patent/KR102712264B1/ko
Publication of WO2021049171A1 publication Critical patent/WO2021049171A1/ja
Priority to US17/693,804 priority patent/US11873933B2/en

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
    • F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/28—Couplings of the quick-acting type with fluid cut-off means
    • F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/28—Couplings of the quick-acting type with fluid cut-off means
    • F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
    • F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
    • F16L37/35—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied at least one of the valves having an axial bore communicating with lateral apertures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
    • F16L13/14—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/141—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
    • F16L13/14—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/141—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside
    • F16L13/143—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside with a sealing element placed around the male part before crimping or rolling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads

Definitions

  • the present invention relates to a pipe joint member that is detachably connected to a corresponding pipe joint member having a lock.
  • Patent Document 1 includes a valve body in which each of the female pipe joint member and the male pipe joint member opens and closes a fluid passage, so that each valve body opens its own fluid passage when connected to each other. The pipe fittings made are disclosed.
  • the male pipe joint member has a tubular joint body that defines a fluid passage, and an annular locking recess extending in the circumferential direction is formed on the outer peripheral surface of the joint body.
  • the locking recess is defined by a bottom surface and both side surfaces extending radially outward from both sides of the bottom surface.
  • the tubular joint body that defines the fluid passage in the male pipe joint member as described above is usually manufactured by cutting.
  • the joint body is a member that has a valve seat, a locking recess, a screw for fixing pipes, etc., and has rigidity that can sufficiently withstand the force received from the locker in the locking recess. Can be formed.
  • the cutting process a relatively large amount of material is wasted by cutting, and the number of cutting steps is increased in order to produce a complicated shape, so that the manufacturing cost tends to be high.
  • a pipe joint member provided with a valve body even if a part of the valve body or a seal member attached to the valve body is damaged, it is usually difficult to replace only that part, and the entire pipe joint member. Will be replaced. Therefore, it is desired to reduce the manufacturing cost of the joint body, which tends to have a particularly high cost ratio, and reduce the manufacturing cost of the entire pipe joint member.
  • an object of the present invention is to provide a pipe joint member capable of reducing the manufacturing cost as compared with the conventional pipe joint member.
  • a pipe joint member that is detachably connected to a corresponding pipe joint member having a lock.
  • a joint body having a front end portion and a rear end portion, which extends from the front end portion to the rear end portion in a tubular shape and defines at least a part of a fluid passage of the pipe joint member, the front end portion and the rear end portion.
  • a joint body and a joint body having a deformed portion that is deformed radially inward with the rear end portion to form a locker locking surface facing rearward on the outer peripheral surface of the joint body.
  • the portion where the lock lock locking surface of the joint body that defines at least a part of the fluid passage is formed is supported by the support surface of the support member arranged inside the joint body. It has become. That is, since the locker locking surface on which a relatively large force acts is supported by the support surface of the support member, the joint body itself does not need to have such a large strength. Therefore, the entire joint body can be made thin, and the joint body can be formed by plastically deforming a thin pipe material or by drawing from a plate material. Since processing using such plastic deformation is less likely to generate wasteful materials and can be easily performed as compared with cutting processing, the pipe joint member is a pipe joint having a joint body manufactured by conventional cutting processing. It can be manufactured at a lower cost than a member.
  • the front end of the joint body is located in front of the support member, and the joint body defines a valve accommodating space that forms at least a part of the fluid passage inside the joint body at the front position of the support member.
  • a valve body that is arranged in the valve accommodating space and slides on the inner peripheral surface of the joint body in the direction of the longitudinal axis of the joint body can be further provided to open and close the fluid passage.
  • the joint body has a front end portion that curves radially inward at a position in front of the support member and extends to the front end portion, the front end portion being made thicker than the other portion of the joint body.
  • the valve body can be hermetically engaged with the front end portion in the direction of the longitudinal axis to close the fluid passage.
  • a spring which is arranged between the support member and the valve body and urges the valve body forward can be further provided.
  • the support surface may be inclined radially outward toward the front, and the locker locking surface may be inclined radially outward along the support surface. it can.
  • the support member is formed on an outer peripheral surface and has an annular groove extending in the circumferential direction, and the support surface is a front side surface of the annular groove.
  • the deformed portion may be deformed so as to be recessed inward in the radial direction along the annular groove so as to be a deformed recess so as to fix the support member to the joint body.
  • a sealing member arranged in the annular groove at a position in contact with the rear side surface of the annular groove is provided.
  • the seal member can be crushed between the annular groove of the support member and the deformed recess of the joint body to seal between the support member and the joint body.
  • the support member can extend to the rear end portion of the joint body and have a threaded portion screwed into the pipe member on the inner peripheral surface.
  • the pipe joint member 101 is arranged inside the joint body 110 and the joint body 110 extending in a tubular shape from the front end 112 to the rear end 114.
  • a tubular support member 116 and a valve body 118 arranged in front of the support member 116 inside the joint body 110 are provided.
  • the front portion 120a left portion in the figure
  • the rear portion 120b right portion in the figure
  • the support member 116 has an annular groove 122 formed on the outer peripheral surface 116a.
  • the annular groove 122 is formed so as to extend in the circumferential direction of the support member 116, and its front side surface 122a is a support surface 122a that is inclined outward in the radial direction toward the front.
  • the support member 116 extends to the rear end 114 of the joint body 110, and a threaded portion 124 is formed on the inner peripheral surface 116b thereof.
  • a pipe member is screwed and attached to the screw portion 124.
  • the joint body 110 has a deformed recess 126 (deformed portion) formed by plastically deforming inward in the radial direction along the annular groove 122 of the support member 116.
  • the deformed recess 126 forms a locker locking surface 128 that is radially outwardly inclined toward the front along the support surface 122a of the annular groove 122.
  • the portion where the locker locking surface 128 is formed is supported from the inside in the radial direction by the support surface 122a of the support member 116.
  • the front end portion 112 of the joint body 110 is located in front of the support member 116, and the joint body 110 defines a valve accommodating space 130 inside the joint body 110 at a position in front of the support member 116.
  • the valve accommodating space 130 is also a part of the fluid passage 120.
  • the joint body 110 further has a front end portion 132 that curves inward in the radial direction at a position in front of the support member 116 to reach the front end portion 112.
  • the front end portion 132 is thicker than the other portions of the joint body 110, and constitutes a valve seat surface 134 with which the valve body 118 is hermetically engaged as described later.
  • the valve body 118 is arranged in the valve accommodating space 130 of the joint body 110, and its outer peripheral surface 118a slides on the inner peripheral surface 110a of the joint body 110 in the direction of the longitudinal axis L of the joint body 110 to form a fluid passage 120. Is designed to open and close. Further, the valve body 118 is formed with a plurality of through-passages 136 that penetrate in the direction of the longitudinal axis L and allow internal fluid to pass through.
  • a conical spring 138 is arranged between the valve body 118 and the support member 116, and the valve body 118 is urged forward by the urging force of the spring 138.
  • An annular seal member 140 is attached to the valve body 118.
  • valve body 118 urged forward by the urging force of the spring 138 is hermetically engaged with the valve seat surface 134 of the front end portion 132 of the joint body 110 via the sealing member 140 in the direction of the longitudinal axis L, and the fluid passage 120. Close.
  • the joint body 110 is a member formed by drawing a plate material or plastically deforming a thin pipe material.
  • the joint body 110 is once formed into the shape shown in FIG. Then, the valve body 118, the spring 138, and the support member 116 are inserted in order into the joint body 110 to bring about the state shown in FIG. 2, and the portion of the support member 116 covering the annular groove 122 is plastically deformed inward in the radial direction.
  • the deformed recess 126 is formed.
  • the joint body 110 has the shape shown in FIG. 1 in this way.
  • a seal member 142 is arranged at a position in contact with the rear side surface 122b of the annular groove 122, and when the deformable recess 126 is formed, the seal member 142 is crushed and supported between the annular groove 122 and the deformed recess 126.
  • the member 116 and the joint body 110 are sealed.
  • the support member 116 is fixed to the joint body 110 by forming the deformable recess 126 so as to be recessed inward in the radial direction along the annular groove 122.
  • the corresponding pipe joint member 151 to which the pipe joint member 101 is connected includes a tubular joint body 160 that defines a fluid passage 162, a valve body 164 arranged in the joint body 160, and a valve body 164.
  • An annular seal member 172 is attached to the inner peripheral surface 160b of the joint body 160.
  • seal member 172 seals and engages the joint body 110 of the pipe joint member 101 and the joint body 160 of the corresponding pipe joint member 151, and the fluid passage 120 of the pipe joint member 101 and the fluid passage of the corresponding pipe joint member 151. It is in a state of communicating with 162.
  • the support member 216 has a width slightly larger than that of the annular groove 222, and is in the direction of the longitudinal axis L. Is shorter than the support member 116 in the first embodiment.
  • An adapter 244 is inserted and fixed behind the support member 216 inside the joint body 210.
  • a threaded portion 224 is formed on the inner peripheral surface 244a of the adapter 244 so that the tube member can be screwed and attached.
  • the adapter 244 is fixed to the joint body 210 by the locking projection 246 formed on the joint body 210 locking the locking portion 248 of the adapter 244.
  • a seal member 249 is attached to the rear of the support member 216, and the adapter 244 is inserted into the joint body 210 from the rear.
  • the seal member 249 is crushed between the joint body 210, the support member 216, and the adapter 244, and the space between these members is sealed.
  • the adapter 244 can be removed from the joint body 210 by displacing the locking projection 246 of the joint body 210 radially outward.
  • the locker locking surfaces 128 and 228 of the joint bodies 110 and 210 that receive a large radial inward force from the locker 168 when connected to the corresponding pipe joint member 151. Is supported from the inside by the support surfaces 122a and 222a of the support members 116 and 216. Therefore, the joint bodies 110 and 210 themselves do not need to have such high strength, and the entire joint bodies 110 and 210 can be made thin. Therefore, the joint bodies 110 and 210 can be formed by deforming the pipe material or from a plate material. It can be formed by drawing. That is, unlike the conventional pipe joint member, it is not necessary to manufacture the joint body by cutting, so that the pipe joint members 101 and 201 can be manufactured at a lower cost than the conventional pipe joint member.
  • the present invention is not limited to these embodiments.
  • the valve body is provided, but the valve body may not be provided.
  • the support surface of the support member and the locker locking surface of the joint body may be a surface facing rearward, and may be, for example, a surface perpendicular to the longitudinal axis.
  • the joint body and the support member are not sealed via the sealing member, but the joint body and the support member can be directly sealed and engaged by metal sealing.
  • Pipe fitting member 110 Fitting body 110a Inner peripheral surface 112 Front end 114 Rear end 116 Support member 116a Outer peripheral surface 116b Inner peripheral surface 118 Valve body 118a Outer peripheral surface 120 Fluid passage 120a Front part 120b Rear part 122 Circular groove 122a Front side surface, Support surface 122b Rear side surface 124 Threaded portion 126 Deformation recess 128 Locking element locking surface 130 Valve accommodating space 132 Front end portion 134 Valve seat surface 136 Penetration path 138 Spring 140 Sealing member 142 Sealing member 151 Corresponding pipe joint member 160 Joint body 160a Outer peripheral surface 160b Inner peripheral surface 162 Fluid passage 164 Valve body 166 Locker holding hole 168 Locker 170 Sleeve 172 Seal member 201 Pipe fitting member 210 Fitting body 216 Support member 220 Fluid passage 222 Circular groove 222a Support surface 224 Threaded portion 228 Locker lock Surface 244 Adapter 244a Inner peripheral surface 246 Locking protrusion 248 Locking part 249 Sealing member L

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
PCT/JP2020/027871 2019-09-12 2020-07-17 管継手部材 WO2021049171A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP20862178.9A EP4030091A4 (en) 2019-09-12 2020-07-17 Pipe joint member
JP2021545146A JP7270048B2 (ja) 2019-09-12 2020-07-17 管継手部材
CN202080062333.0A CN114341540B (zh) 2019-09-12 2020-07-17 管接头构件
KR1020227010512A KR102712264B1 (ko) 2019-09-12 2020-07-17 관 조인트 부재
US17/693,804 US11873933B2 (en) 2019-09-12 2022-03-14 Pipe coupling member

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-166166 2019-09-12
JP2019166166 2019-09-12

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/693,804 Continuation US11873933B2 (en) 2019-09-12 2022-03-14 Pipe coupling member

Publications (1)

Publication Number Publication Date
WO2021049171A1 true WO2021049171A1 (ja) 2021-03-18

Family

ID=74865661

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/027871 WO2021049171A1 (ja) 2019-09-12 2020-07-17 管継手部材

Country Status (7)

Country Link
US (1) US11873933B2 (enrdf_load_stackoverflow)
EP (1) EP4030091A4 (enrdf_load_stackoverflow)
JP (1) JP7270048B2 (enrdf_load_stackoverflow)
KR (1) KR102712264B1 (enrdf_load_stackoverflow)
CN (1) CN114341540B (enrdf_load_stackoverflow)
TW (1) TWI747295B (enrdf_load_stackoverflow)
WO (1) WO2021049171A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230144687A1 (en) * 2020-04-16 2023-05-11 Nitta Corporation Male joint and pipe joint

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020211212A1 (de) * 2020-09-07 2022-03-10 Fränkische Industrial Pipes GmbH & Co. KG Aufnahmeeinheit einer Kopplungseinrichtung für Fluidleitungen

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4743051Y1 (enrdf_load_stackoverflow) * 1968-06-20 1972-12-27
JPS5234646Y1 (enrdf_load_stackoverflow) * 1971-07-14 1977-08-08
JPS61206191U (enrdf_load_stackoverflow) * 1985-06-14 1986-12-26
JPH0680097U (ja) * 1993-04-26 1994-11-08 本田技研工業株式会社 カプラにおける塵芥侵入防止機構
JP2000314411A (ja) * 1999-03-04 2000-11-14 Smc Corp チャック及び管継手
JP2002130573A (ja) * 2000-10-23 2002-05-09 Smc Corp 管継手
JP2005030532A (ja) * 2003-07-09 2005-02-03 Smc Corp チャック及び管継手
JP2019019953A (ja) 2017-07-21 2019-02-07 日東工器株式会社 管継手部材

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3352576A (en) * 1965-08-24 1967-11-14 Olin Mathieson Tube coupling having split ring locking means
JPS5234646A (en) * 1975-09-03 1977-03-16 Matsushita Electric Ind Co Ltd Card base customer information control device
JPS61206191A (ja) 1985-03-07 1986-09-12 日立電線株式会社 複合線の接続法
JP2800582B2 (ja) 1992-09-02 1998-09-21 日本電気株式会社 水中航走体の姿勢制御方式
US5553899A (en) * 1995-05-19 1996-09-10 Pilot Industries, Inc. Molded quick connect coupling
DE19607630C1 (de) * 1996-02-29 1997-07-31 Hewing Gmbh Preßfitting zum Anschluß eines Rohres
CN1098990C (zh) * 1997-10-16 2003-01-15 樱护谟株式会社 管接头装置
US6206432B1 (en) * 1998-01-26 2001-03-27 Nok Corporation Ball-lock-type quick-acting connector
DE69926802D1 (de) * 1998-12-22 2005-09-22 Weatherford Lamb Verfahren und vorrichtung zum profilieren und verbinden von rohren
GB0415637D0 (en) * 2004-07-13 2004-08-18 Self Energising Coupling Compa Coupling assembly
JP4743051B2 (ja) 2006-09-05 2011-08-10 川上産業株式会社 シート状物のコイルの末端をテープ止めする装置および方法
JP4596281B2 (ja) * 2007-10-31 2010-12-08 Ｓｍｃ株式会社 管継手
US8181933B2 (en) * 2007-10-31 2012-05-22 Smc Kabushiki Kaisha Pipe joint
JP5234646B2 (ja) 2009-03-26 2013-07-10 株式会社Ｌｉｘｉｌ 配管接続装置
JP5394460B2 (ja) * 2011-09-22 2014-01-22 長堀工業株式会社 流体継手
CN103162048A (zh) * 2011-12-12 2013-06-19 常州市永春机电设备有限公司 接头
JP2013231472A (ja) * 2012-04-27 2013-11-14 Nitto Kohki Co Ltd 管継手
CN102777721A (zh) * 2012-08-07 2012-11-14 慈溪市千义液压件有限公司 快速接头
US9500304B2 (en) * 2012-08-07 2016-11-22 Ford Global Technologies, Llc Assembly including parts made of dissimilar metals and the method of manufacturing the assembly
CN102900907B (zh) * 2012-09-28 2015-10-14 凯迈（洛阳）气源有限公司 快速接头
JP6484256B2 (ja) * 2015-06-26 2019-03-13 日東工器株式会社 スライド弁、該スライド弁を備える雌型継手部材、及び該雌型継手部材と雄型継手部材とからなる管継手
EP3232108B1 (en) * 2015-10-02 2019-05-22 Nitto Kohki Co., Ltd. Pipe joint
PL3457013T3 (pl) 2015-11-30 2024-04-08 Victaulic Company Element rurowy i zatyczka
TWI633247B (zh) * 2015-12-11 2018-08-21 Mitsubishi Cable Industries, Ltd. 閥體、使用該閥體之閥構造體以及接頭構件
JP6383372B2 (ja) * 2016-01-21 2018-08-29 日東工器株式会社 管継手
JP6300849B2 (ja) * 2016-03-10 2018-03-28 日東工器株式会社 管継手
CN108884957B (zh) * 2016-04-07 2020-07-10 日东工器株式会社 具有阀芯的管接头构件及该管接头构件中使用的螺旋弹簧
KR102155496B1 (ko) * 2016-05-24 2020-09-14 니토 코키 가부시키가이샤 암형 커플링 부재와 수형 커플링 부재로 이루어지는 관 커플링

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4743051Y1 (enrdf_load_stackoverflow) * 1968-06-20 1972-12-27
JPS5234646Y1 (enrdf_load_stackoverflow) * 1971-07-14 1977-08-08
JPS61206191U (enrdf_load_stackoverflow) * 1985-06-14 1986-12-26
JPH0680097U (ja) * 1993-04-26 1994-11-08 本田技研工業株式会社 カプラにおける塵芥侵入防止機構
JP2000314411A (ja) * 1999-03-04 2000-11-14 Smc Corp チャック及び管継手
JP2002130573A (ja) * 2000-10-23 2002-05-09 Smc Corp 管継手
JP2005030532A (ja) * 2003-07-09 2005-02-03 Smc Corp チャック及び管継手
JP2019019953A (ja) 2017-07-21 2019-02-07 日東工器株式会社 管継手部材

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4030091A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230144687A1 (en) * 2020-04-16 2023-05-11 Nitta Corporation Male joint and pipe joint
US12000516B2 (en) * 2020-04-16 2024-06-04 Nitta Corporation Male joint and pipe joint

Also Published As

Publication number Publication date
KR102712264B1 (ko) 2024-09-30
JPWO2021049171A1 (enrdf_load_stackoverflow) 2021-03-18
EP4030091A4 (en) 2023-08-16
CN114341540B (zh) 2024-03-19
TW202111245A (zh) 2021-03-16
TWI747295B (zh) 2021-11-21
US11873933B2 (en) 2024-01-16
JP7270048B2 (ja) 2023-05-09
US20220205571A1 (en) 2022-06-30
KR20220050225A (ko) 2022-04-22
CN114341540A (zh) 2022-04-12
EP4030091A1 (en) 2022-07-20

Similar Documents

Publication Publication Date Title
US6564828B1 (en) Check valve
US6857450B2 (en) Hydropneumatic pressure reservoir
JP5805220B2 (ja) 圧力流体の充填口構造
WO2021049171A1 (ja) 管継手部材
CZ233998A3 (cs) Zařízení pro spojení dvou členů potrubí
US20100140920A1 (en) Pipe joint including a pipe and method for producing a joint section of a pipe joint
WO2016208681A1 (ja) スライド弁、該スライド弁を備える雌型継手部材、及び該雌型継手部材と雄型継手部材とからなる管継手
KR102770825B1 (ko) 가압된 유체가 흐르는 2개의 파이프를 분리가능한 연결을 위한 퀵 커플링
JP2019090503A (ja) 管継手
US6481761B2 (en) Frusto-conical seal fitting
JP2010174905A (ja) シール材
JP2019219034A (ja) ガスケットの装着構造
JP2019060445A (ja) 流体継手及びバルブホルダの製造方法
JP6535455B2 (ja) 管継手及び管継手の製造方法
TWI862644B (zh) 陽型流體連接元件、包括這種陽型元件的流體連接以及組裝這種陽型元件的方法
TWI759486B (zh) 用於自行車制動系統的液壓密封體、液壓軟管組件、套件及方法
JP5812410B2 (ja) パイプ継手用具及びパイプ接続構造
JP7341469B2 (ja) 継手構造及び継手構造の組み付け方法
KR20070102453A (ko) 레듀싱커플링 및 이를 이용한 관연결구조
WO2022202118A1 (ja) 管継手
JP2007078069A (ja) 樹脂管継手構造及び樹脂管継手の組立方法
JP2007064350A (ja) 管継手
JP2019100377A (ja) 継手金具、および継手金具付ホース
WO2019220604A1 (ja) 配管部材の保持構造、端部密閉具および接続具
KR20220166653A (ko) 기밀 면 접촉 확장형 퀵 커넥터

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20862178

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021545146

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20227010512

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2020862178

Country of ref document: EP

Effective date: 20220412